problem description
there are restrictions when selecting a row, for example, if the current data is xx, you cannot select this row, so you want to pop up an error after selecting this row, and then uncheck it manually
the environmental background of the problems and what methods you have tried
_ checked = false
is not valid. Using this.$refs.xxx.selectAll (false)
can only deselect all selections and does not meet the requirements
what result do you expect?
you want to be able to uncheck a specific row.